This is a side-by-side smartphone specs comparison of the Vivo X21 and Xiaomi 15T.
The Vivo X21 has a 6.28-inch display, Qualcomm Snapdragon 660 processor, cameras, 4G LTE (with VoLTE) connectivity, and 3200mAh battery.
Meanwhile, the Xiaomi 15T has a 6.83-inch display, MediaTek Dimensity 8400-Ultra (4 nm) processor, triple cameras, 5G connectivity, and 5500mAh battery.
| Specs | Vivo X21 | Xiaomi 15T |
|---|---|---|
| Picture |
★★★★★ 4.6/5 stars (17 ratings)
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★★★★★ 3.8/5 stars (13 ratings)
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| Screen | 6.28-inch FHD+ Super AMOLED Display (1080 x 2280 Pixels, 402 ppi) with 19:9 Aspect Ratio, 2.5D Curved Edges, Rounded Corners and Notch | 6.83-inch 1.5K AMOLED Display (1280 x 2772 Pixels, 447 ppi) with Corning Gorilla Glass 7i, 120Hz Refresh Rate, 3200nits peak brightness, HDR10+, Dolby Vision, 3840Hz PWM and punch-hole |
| OS | Android 8.1 Oreo with Funtouch OS 4.0 | Android 15 with Xiaomi HyperOS 2 |
| Chipset | Qualcomm Snapdragon 660 | MediaTek Dimensity 8400-Ultra (4 nm) |
| CPU | Octa Core CPU 4x Kryo 260 @ 2.2GHz & 4x Kryo 260 @ 1.84GHz |
Octa Core CPU 1x Cortex-A725 @ 3.25GHz , 3x Cortex-A725 @ 3.0GHz & 4x Cortex-A725 @ 2.1GHz |
| GPU | Adreno 512 | Mali-G720 MC7 |
| RAM | 6 GB | 12 GB |
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| Rear Camera | Dual Camera: 12 + 5 Megapixels (f/1.8 Aperture) Phase Detection Autofocus LED Flash |
Triple Cameras: 50MP Main Camera (Light Fusion 800, f/1.7 aperture, Autofocus, OIS) 50MP Telephoto (f/1.9 aperture, Autofocus, 2x Optical zoom) 12MP Ultrawide (f/2.2 aperture, 120˚ FoV) -Dual LED Flash -Up to 4K@60fps video recording, OIS/EIS video stabilization, LEICA Optics |
| Front Camera |
12 Megapixels (f/2.0 Aperture) with Screen Flash - A.I. Beauty |
32 Megapixels (f/2.2 aperture) - Up to 4K@30fps video recording |
| Storage | 128GB | 256GB or 512GB |
| Expansion | 256GB via microSD | None |
| SIM | Dual SIM (Nano-SIM) | Dual SIM (Nano + Nano with eSIM support) |
| Networks | 4G LTE (with VoLTE), 3G HSPA+, 2G EDGE & GPRS Networks | 5G, 4G LTE (with VoLTE), 3G HSPA+, 2G EDGE & GPRS Networks |
| Wi-Fi | Wi-Fi 802.11 b/g/n/ac (Dual Band) | Wi-Fi 802.11 b/g/n/ac/6e |
| NFC | No | Yes |
| Bluetooth | Bluetooth 5.0 | Bluetooth 6.0 |
| Infrared | Yes | |
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| Position | A-GPS | GPS, GLONASS, GALILEO, BeiDou, QZSS, NavIC |
| USB OTG | Yes | Yes |
| USB | MicroUSB 2.0 | USB Type-C |
| 3.5mm Audio Jack | Yes | No |
| Audio Enhancement | Hi-Fi Audio | Hi-Res Audio, Hi-Res Wireless Audio, Dolby ATMOS, Stereo Dual Speakers |
| FM Radio | Yes | No |
| Sensors |
Face Recognition & Fingerprint Sensor Proximity Sensor & Ambient Light Sensor Compass, Gyroscope & Accelerometer |
Face Recognition & Fingerprint Sensor Proximity Sensor & Ambient Light Sensor Compass, Gyroscope & Accelerometer |
| Battery | 3200 mAh Li-ion Battery (Non-removable) Fast Charging |
5500 mAh (Non-removable) 67W Fast Charging (100% in 50 minutes) |
| Material | Metal and Glass | Glass front, Glass fiber back (IP68 dust & water resistance) |
| Size | 154.5 × 74.8 × 7.37 mm | 163.2 x 78.0 x 7.5 mm |
| Weight | 156 g | 194 g |
| Colors | Black | Black, Gray, Rose Gold |
| Release Date | June 21, 2018 | September 25, 2025 |
| Price | ₱29,999.00 - Official Price in the Philippines | ₱26,999.00 - Official price of 12GB+256GB version in the Philippines ₱28,999.00 - Official price of 12GB+512GB version in the Philippines |
| Buy Online |
Vivo X21 on Lazada Vivo X21 on Shopee |
Xiaomi 15T on Lazada Xiaomi 15T on Shopee |